1.ECO-friendly,water,air proofed,high temp resistance 2.Meet ROHS, REACH... 3.High QA/QC System 4.ISO9001:2008 5.OEM ... ODM ok 1. Product' s Details: Product Namegiant o ring/high profile sanitary sewer EPDM o ringCertificateISO9001:2008ApplicationAutomobile, electrical appliances and other ... samples.MatetialNBR, NR ,EPDM ,SBR ,SR ,CR ,IIR ,etc.2. WHAT ARE YOU LOOKING FOR ?We are the most professional ...